JSONWriter cleanup: integrate pretty print into write options.

chrome/browser/printing/cloud_print/cloud_print_setup_flow.cc

Index: chrome/browser/printing/cloud_print/cloud_print_setup_flow.cc
diff --git a/chrome/browser/printing/cloud_print/cloud_print_setup_flow.cc b/chrome/browser/printing/cloud_print/cloud_print_setup_flow.cc
index e907feabf30017fa981e9fca45a3f850d7239578..38255a042737e851b4a72c142ee77ce0ebe5e6c4 100644
--- a/chrome/browser/printing/cloud_print/cloud_print_setup_flow.cc
+++ b/chrome/browser/printing/cloud_print/cloud_print_setup_flow.cc
@@ -76,7 +76,7 @@ CloudPrintSetupFlow* CloudPrintSetupFlow::OpenDialog(
   args.SetString("pageToShow", setup_done ? "setupdone" : "cloudprintsetup");
 
   std::string json_args;
-  base::JSONWriter::Write(&args, false, &json_args);
+  base::JSONWriter::Write(&args, &json_args);
 
   CloudPrintSetupFlow* flow = new CloudPrintSetupFlow(json_args, profile,
                                                       delegate, setup_done);
@@ -280,7 +280,7 @@ void CloudPrintSetupFlow::ShowGaiaLogin(const DictionaryValue& args) {
     web_ui_->CallJavascriptFunction("cloudprint.showSetupLogin");
 
   std::string json;
-  base::JSONWriter::Write(&args, false, &json);
+  base::JSONWriter::Write(&args, &json);
   string16 javascript = UTF8ToUTF16("cloudprint.showGaiaLogin(" + json + ");");
 
   ExecuteJavascriptInIFrame(SetupIframeXPath(), javascript);